Climate almanac
Meridian
Idaho, United States · 43.61°, -116.39°
What is the weather like in Meridian in September?
In September, Meridian is typically 84°F (29°C) during the day and 55°F (13°C) at night. The month brings about 0.4 in (9 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low55°F (13°C)
- Precipitation0.4 in (9 mm)
- Clear or mostly clear days20
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)